diff --git a/dengue_app/android/app/src/main/res/drawable/launch_background.xml b/dengue_app/android/app/src/main/res/drawable/launch_background.xml
index 304732f..5ea57ff 100644
--- a/dengue_app/android/app/src/main/res/drawable/launch_background.xml
+++ b/dengue_app/android/app/src/main/res/drawable/launch_background.xml
@@ -4,9 +4,9 @@
     <item android:drawable="@android:color/white" />
 
     <!-- You can insert your own image assets here -->
-    <!-- <item>
+    <item>
         <bitmap
-            android:gravity="center"
-            android:src="@mipmap/launch_image" />
-    </item> -->
+            android:gravity="fill"
+            android:src="@mipmap/splash" />
+    </item>
 </layer-list>
diff --git a/dengue_app/android/app/src/main/res/mipmap-xxhdpi/splash.png b/dengue_app/android/app/src/main/res/mipmap-xxhdpi/splash.png
new file mode 100644
index 0000000..43bf819
Binary files /dev/null and b/dengue_app/android/app/src/main/res/mipmap-xxhdpi/splash.png differ
diff --git a/dengue_app/android/settings_aar.gradle b/dengue_app/android/settings_aar.gradle
new file mode 100644
index 0000000..e7b4def
--- /dev/null
+++ b/dengue_app/android/settings_aar.gradle
@@ -0,0 +1 @@
+include ':app'
diff --git a/dengue_app/pubspec.lock b/dengue_app/pubspec.lock
index 1227be2..5d5e951 100644
--- a/dengue_app/pubspec.lock
+++ b/dengue_app/pubspec.lock
@@ -8,34 +8,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.2"
-  archive:
-    dependency: transitive
-    description:
-      name: archive
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.13"
-  args:
-    dependency: transitive
-    description:
-      name: args
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.6.0"
   async:
     dependency: transitive
     description:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.4.1"
+    version: "2.5.0-nullsafety.1"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.0-nullsafety.1"
   cached_network_image:
     dependency: transitive
     description:
@@ -43,27 +29,34 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.2.0+1"
+  characters:
+    dependency: transitive
+    description:
+      name: characters
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.0-nullsafety.3"
   charcode:
     dependency: transitive
     description:
       name: charcode
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.3"
+    version: "1.2.0-nullsafety.1"
   clock:
     dependency: transitive
     description:
       name: clock
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.1"
+    version: "1.1.0-nullsafety.1"
   collection:
     dependency: transitive
     description:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.14.12"
+    version: "1.15.0-nullsafety.3"
   console_log_handler:
     dependency: transitive
     description:
@@ -113,6 +106,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.2.0"
+  fake_async:
+    dependency: transitive
+    description:
+      name: fake_async
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.0-nullsafety.1"
   file:
     dependency: transitive
     description:
@@ -191,13 +191,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "3.1.4"
-  image:
-    dependency: transitive
-    description:
-      name: image
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.1.12"
   intl:
     dependency: "direct main"
     description:
@@ -239,14 +232,14 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.6"
+    version: "0.12.10-nullsafety.1"
   meta:
     dependency: transitive
     description:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.8"
+    version: "1.3.0-nullsafety.3"
   mgrs_dart:
     dependency: transitive
     description:
@@ -267,7 +260,7 @@ packages:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.6.4"
+    version: "1.8.0-nullsafety.1"
   path_provider:
     dependency: transitive
     description:
@@ -303,13 +296,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.9.0"
-  petitparser:
-    dependency: transitive
-    description:
-      name: petitparser
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.4.0"
   platform:
     dependency: transitive
     description:
@@ -398,7 +384,7 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.7.0"
+    version: "1.8.0-nullsafety.2"
   sqflite:
     dependency: transitive
     description:
@@ -419,21 +405,21 @@ packages:
       name: stack_trace
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.9.3"
+    version: "1.10.0-nullsafety.1"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.0-nullsafety.1"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.5"
+    version: "1.1.0-nullsafety.1"
   synchronized:
     dependency: transitive
     description:
@@ -447,14 +433,14 @@ packages:
       name: term_glyph
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0-nullsafety.1"
   test_api:
     dependency: transitive
     description:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.15"
+    version: "0.2.19-nullsafety.2"
   transparent_image:
     dependency: transitive
     description:
@@ -475,7 +461,7 @@ packages:
       name: typed_data
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.6"
+    version: "1.3.0-nullsafety.3"
   unicode:
     dependency: transitive
     description:
@@ -503,7 +489,7 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.8"
+    version: "2.1.0-nullsafety.3"
   wkt_parser:
     dependency: transitive
     description:
@@ -518,13 +504,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.1.0"
-  xml:
-    dependency: transitive
-    description:
-      name: xml
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "3.6.1"
 sdks:
-  dart: ">=2.8.0 <3.0.0"
+  dart: ">=2.10.0-110 <2.11.0"
   flutter: ">=1.12.13+hotfix.6 <2.0.0"